/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * License); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * AS IS BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

/*
 * Copyright (c) 2018, Open AI Lab
 * Author: chunyinglv@openailab.com
 */
#include "operator/resize.hpp"


namespace TEngine {
bool Resize::InferShape(const std::vector<TEngine::TShape>& ishape, std::vector<TEngine::TShape>& oshape)
{
    const TShape& input=ishape[0];
    const std::vector<int>& in_dim=input.GetDim();

    int out_h=(int)(in_dim[2]*param_.scale_h);
    int out_w=(int)(in_dim[3]*param_.scale_w);

    TShape shape;
    
    std::vector<int> dim={in_dim[0],in_dim[1],out_h, out_w};

     shape.SetDim(dim);
     shape.SetDataLayout("NCHW");

     oshape[0]=shape;
    
     return true;    

}


void Resize::SetSchema(void)
{
    Input({"input:float32"})
    .Output({"output:float32"})
    .SetLayout("NCHW")
    .SetAttr("scale_h",1.f)
    .SetAttr("scale_w",1.f)

    .SetDoc(R"DOC(Resize Layer)DOC");

}


} //namespace TEngine
